According to their materials, rare earth magnets can be classified into two basal types: Neodymium Iron Boron abate angel magnets and Samarium Cobalt abate angel magnets.

Neodymium magnets - Energy online writing go up to 55 MGOe, can achieve absolute top fields; however, about needs to be acclimated in lower temperature applications than Samarium Cobalt can withstand. Higher temperature accent of Br (approximately 1.1%).

Samarium Cobalt (SmCo) - Energy online writing go up to 32 MGOe, can about be acclimated in top temperature (350°C) environments, and about acquire a babyish thermal accent of Br (approximately 0.03%/degree).

There are many other permanent magnets, like Alnico magnets, Ceramic magnets and more.